Deliveries of the Boeing/Saab T-7 Red Hawk to the US Air Force began last year, and three service test T-7s have been delivered so far. However, the initial operating capability of the T-7 Red Hawk has been postponed to 2028.
https://www.nationaldefensemagazine.org/articles/2023/10/27/boeing-deli…
https://dsm.forecastinternational.com/2024/03/18/air-forces-t-7-trainer…